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Brittany Opelousas
Anatomy Weeks 1-6
| Question | Answer |
|---|---|
| Which system is responsible for blood production? | Skelatal |
| Where are the lungs located ? | Thoracic cavity |
| An organ is one organizational level higher than a? | Tissue |
| What is the smallest living unit of structure and function in the body? | Cells |
| What are the mitochondria and the Golgi apparatus examples of? | Organelles |
| An organization of many similar cells that are specialized to perform a certain function is called ? | A tissue |
| How many abdominal regions are there? | Nine |
| Which plane divides the body into upper and lower parts? | Transverse |
| Several kinds of tissue working together … | Organ |
| The abdominal quadrants are located with what structure as their midpoint? | Umbilicus |
| What structure is called the power house of cells? | Mitochondria |
| The neck is ______as compared to the right shoulder? | Medial |
| A plane through the body that divides the bodies into right and left is called? | Sagital |
| Atoms combined to from a larger chemical aggregates are ____? | Molecules |
| The brain is ____ as compared to the skull? | Deep |
| What are two major cavities of the human body ? | Ventral and dorsal |
| What are the levels of organization in the body from smallest to largest? | chemical, organelle, cellular, tissue, organ, system, organism |
| Which plane divides the into front and back? | Coronal |
| Which plane divides the into left and right sections? | Saggital |
| For sodium to transform from a neutral atom to a positive ion, it must: | Lose an electron |
| What decomposition reaction requires the addition of a water molecule to break a bond? | Hydrolysis |
| Hydrolysis _____ a water molecule. | breaks down compounds by adding |
| An atom can be described as chemically inert if its outermost electron shell contains __ electrons. | Eight |
| Which of the following is not a subatomic particle? | Radon |
| What do acids release ? | Hydrogen Ions |
| Which type of chemical reaction results in the breakdown of a complex substance into two or more simpler substances? | decomposition reaction |
| As a result of which reaction during catabolism is a water molecule added to break a larger compound into smaller subunits? | Hydrolysis |
| The most abundant element essential to life is | Oxygen |
| Which subatomic particles carry a charge? | Protons and electrons |
| A molecule that is polar: | can form a hydrogen bond has an unequal charge |
| As the concentration of hydrogen ions increases, the pH goes ____, and the solution becomes more _____. | down; acidic |
| As the concentration of hydroxide ions (OH-) increases, the | solution becomes more basic; the ph rises |
| Oxygen has an atomic number of 8, which means it contains | Eight protons |
| Acids, bases, and salts belong to a large group of compounds called | Electrolytes |
| The elements carbon, hydrogen, oxygen, and nitrogen make up which percentage of the human body? | 96% |
| Hydrogen bonds result from unequal charge distribution on a molecule. Such molecules are said to be | Polar |
| A weak acid: | dissociates very little in solution. |
| Atoms with fewer than eight electrons in the outer energy level will attempt to lose, gain, or share electrons with other atoms to achieve stability. This tendency is called the | The octet rule |
| A substance that cannot be broken down or decomposed into two or more different substances is called a(n) | Element |
| A force that holds two atoms together ? | A Chemical bond |
| An element that contains the same number of protons but different numbers of neutrons is called a(n) | Isotope |
| What term is used to describe all of the chemical reactions that occur in body cells? | Metabolism |
| lonic bonds are chemical bonds formed by the: | transfer of electrons from one atom to another. |
| What does the atomic number tells you? | number of protons in the nucleus. |
| The reaction between hydrogen and oxygen needed to form water is an example of a: | Hydrogen bond |
| The inside of the cell is composed largely of a gel-like substance called | Cytoplasm |
| Ribosomes may be either free within the cytoplasm or bound to a membrane system known as the | Rough endoplasmic recticulum |
| Phospholipids of the plasma membrane are arranged | as a bilayer with their nonpolar tails sandwiched between the polar heads. |
| An organelle that is primarily a sac of powerful digestive enzymes called acid hydrolases. | Lysosomes |
| An organelle that is referred to as the power plant of the cell: | Mitochondria |
| What is a major function of the cell membrane? | control what enters and leaves the cell. |
| Which structure icontains the genetic material of the cell and is often referred to as the "command center" of the cell? | Nucleus |
| Which organelle primarily modifies products from the rough ER, and it resembles a stack of hollow saucers, one cupped inside the next? | Golgi apparatus |
| How are gap junctions formed? | when membrane channels of adjacent plasma membranes adhere to each other |
| Ribosomes are organelles that do what? | float in the cytoplasm and attach to the endoplasmic reticulum |
| What is outer boundary of a human cell is called | Plasma membrane |
| What is the only organelle that has a double membrane structure ? | Mitochondrion |
| Which type of tissue has cube-shaped cells and can be found lining the kidney tubules? | simple cuboidal epithelium |
| Besides water, extracellular matrix contains ? | proteins and proteoglycans. |
| The union of basal and fibroreticular laminae forms the what? | Basement membrane |
| The epidermis is composed of several types of epithelial cells. One type, called keratinocytes, become filled with a tough, fibrous protein called? | Keratin |
| Which principal type of tissue covers and protects body surfaces and lines body cavities? | epithelial |
| The fluid environment that fills the spaces between the cells of the body is called what? | Extracellular matrix |
| The dermis is composed of two layers, a thin papillary layer and a thick ____ layer. | Recticular |
| What kind of tissue is adipose tissue? | A storage tissue |
| Keratinized epithelial cells are found in which layer of skin? | Epidermis |
| The structure that lies deep to the dermis and forms a connection between the skin and the underlying structures of the body is the? | Hypodermis |
| Which type of tissue is found most in the body? | Connective |
| Which bone is the longest and heaviest bone in the body? | Femur |
| What is the most common type of cartilage found in the body | Hyaline |
| Which structures are unique to the fetal skull and provide additional space for molding the head shape as the baby passes through the birth canal? | Fontanels |
| Where are the smallest bones in the body located? | The ear |
| Which fibers are present in all three types of cartilage, but they are most numerous in fibrocartilage? | Colllagenous |
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